def DemoTopology():
net = DCNetwork(monitor=True, enable_learning=True)
dc1 = net.addDatacenter("osm-pop1")
dc2 = net.addDatacenter("osm-pop2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1)
net.addLink(dc2, s1)
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("127.0.0.1", 6001)
api2 = OpenstackApiEndpoint("127.0.0.1", 6002)
api1.connect_datacenter(dc1)
api2.connect_datacenter(dc2)
api1.start()
api2.start()
api1.connect_dc_network(net)
api2.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
Rapi = RestApiEndpoint("0.0.0.0", 5001)
Rapi.connectDCNetwork(net)
Rapi.connectDatacenter(dc1)
Rapi.connectDatacenter(dc2)
Rapi.start()
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
s1 = net.addSwitch('s1')
h1 = net.addHost('h1')
h2 = net.addDocker('h2',dimage='host:server')
net.addLink(h1, s1, delay='20ms')
net.addLink(h2, s1, delay='20ms')
net.addLink(dc1, s1, delay='20ms')
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
# create two data centers
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# interconnect data centers
net.addLink(dc1, dc2, delay="20ms")
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
llcm1 = TangoLLCMEndpoint("0.0.0.0",
5000,
deploy_sap=False,
placement_algorithm_obj=StaticConfigPlacement(
"~/static_placement.yml"))
llcm1.connectDatacenter(dc1)
llcm1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
llcm1.start()
# start the emulation and enter interactive CLI
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=False, enable_learning=True)
# add datecenters
dc1 = net.addDatacenter("dc1")
# add REST control endpoints to datacenter (to be used with son-emu-cli)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
# add OpenStack/like interface endpoints to dc1
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
# connect PoPs
api1.connect_datacenter(dc1)
# connect network
api1.connect_dc_network(net)
# start
api1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# specify a vnfd file to be deployed as internal SAP:
sap_vnfd = 'custom_sap_vnfd.yml'
dir_path = os.path.dirname(__file__)
sap_vnfd_path = os.path.join(dir_path, sap_vnfd)
sap_vnfd_path = None
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True, auto_deploy=True,
docker_management=True, auto_delete=True,
sap_vnfd_path=sap_vnfd_path)
sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
s1 = net.addSwitch('s1')
d1 = net.addDocker('d1', ip='10.100.0.1', dimage="ubuntu:trusty")
d2 = net.addDocker('d2', ip='10.100.0.2', dimage="ubuntu:trusty")
net.addLink(s1, d1)
net.addLink(s1, d2)
net.addLink(s1, dc1)
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=True,
enable_learning=True)
dc1 = net.addDatacenter("dc1")
net.addLink(dc1, net.addSwitch("s1"), delay="10ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0",
5000,
deploy_sap=True,
auto_deploy=True)
sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=True,
enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# specify a vnfd file to be deployed as internal SAP:
sap_vnfd = 'custom_sap_vnfd.yml'
dir_path = os.path.dirname(__file__)
sap_vnfd_path = os.path.join(dir_path, sap_vnfd)
# sap_vnfd_path = None
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0",
5000,
deploy_sap=True,
auto_deploy=True,
docker_management=True,
auto_delete=True,
sap_vnfd_path=sap_vnfd_path)
sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=False)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
rapi1.stop()
net.stop()
class EmulatorProfilingTopology(object):
def __init__(self):
pass
def start(self):
LOG.info("Starting emulation ...")
setLogLevel('info') # set Mininet loglevel
# create topology
self.net = DCNetwork(monitor=False, enable_learning=False)
# we only need one DC for benchmarking
dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", 5001)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(dc)
self.rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
self.llcm1 = TangoLLCMEndpoint("0.0.0.0", 5000, deploy_sap=False)
self.llcm1.connectDatacenter(dc)
self.llcm1.start()
self.net.start()
def stop(self):
LOG.info("Stopping emulation ...")
self.rapi1.stop()
self.llcm1.stop()
self.net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=False)
# add datecenters
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# add some intermediate switch
s1 = net.addSwitch("s1")
# connect data centers
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add REST control endpoints to each datacenter (to be used with son-emu-cli)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=False)
# add datecenters
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# add some intermediate switch
s1 = net.addSwitch("s1")
# connect data centers
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add REST control endpoints to each datacenter (to be used with son-emu-cli)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# start the emulation platform
net.start()
net.CLI()
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
h1 = net.addHost('h1')
h2 = net.addHost('h2')
h3 = net.addHost('h3')
net.addLink(h1, s1)
net.addLink(h2, s2)
net.addLink(h3, s3)
#create a switch triangle
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(s1, s3)
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def _create_rest_api_endpoints(self):
# create
apiR = RestApiEndpoint("0.0.0.0", 5001)
# connect PoPs
apiR.connectDatacenter(self.pop1)
apiR.connectDatacenter(self.pop2)
# connect network
apiR.connectDCNetwork(self)
# start
apiR.start()
def create_topology(httpmode=False):
net = DCNetwork(monitor=False, enable_learning=True)
DC = net.addDatacenter("DC")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(DC)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(DC)
rapi1.start()
#Generation Switches
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
#Generation Hosts
S = createHost(httpmode, net, 'S')
GI = createGW(httpmode, net, 'GI')
GFA = createGW(httpmode, net, 'GFA')
DVA = createDV(httpmode, net, 'DVA')
#Generation Links
net.addLink(S, s1)
net.addLink(GI, s2)
net.addLink(GFA, s3)
net.addLink(DVA, s3)
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(DC, s3)
#Run Services (in order)
if httpmode:
S.cmd("startup --local_ip 10.0.0.1 --local_port 8080 --local_name srv")
GI.cmd(
"startup --local_ip 10.0.0.2 --local_port 8181 --local_name gwi --remote_ip 10.0.0.1 --remote_port 8080 --remote_name srv"
)
GFA.cmd(
"startup --local_ip 10.0.0.3 --local_port 8282 --local_name gwfa --remote_ip 10.0.0.2 --remote_port 8181 --remote_name gwi"
)
DVA.cmd(
"startup --local_ip 10.0.0.4 --local_port 8888 --local_name dva --remote_ip 10.0.0.3 --remote_port 8282 --remote_name gfa --send_period 3000"
)
#Do not remove
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
Serv = net.addDocker('Serv',
ip='10.0.0.200',
dimage=image,
dcmd="sh ./server.sh")
GI = net.addDocker('GI', ip='10.0.0.201', dimage=image, dcmd="sh ./gi.sh")
GF1 = net.addDocker('GF1',
ip='10.0.0.202',
dimage=image,
dcmd="sh ./gf1.sh")
GF2 = net.addDocker('GF2',
ip='10.0.0.203',
dimage=image,
dcmd="sh ./gf2.sh")
GF3 = net.addDocker('GF3',
ip='10.0.0.204',
dimage=image,
dcmd="sh ./gf3.sh")
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
net.addLink(Serv, s1)
net.addLink(GI, s1)
net.addLink(s1, s2, cls=TCLink, delay='100ms', bw=1)
net.addLink(GF1, s2)
net.addLink(GF2, s2)
net.addLink(GF3, s2)
net.addLink(dc1, s2)
net.start()
net.ping([GF1, GI])
net.ping([GF2, GI])
net.ping([GF3, GI])
net.ping([Serv, GI])
net.CLI()
net.stop()
class DaemonTopology(object):
"""
Topology with two datacenters:
dc1 <-- 50ms --> dc2
"""
def __init__(self):
self.running = True
signal.signal(signal.SIGINT, self._stop_by_signal)
signal.signal(signal.SIGTERM, self._stop_by_signal)
# create and start topology
self.create_topology()
self.start_topology()
self.daemonize()
self.stop_topology()
def create_topology(self):
self.net = DCNetwork(monitor=False, enable_learning=True)
self.dc1 = self.net.addDatacenter("dc1")
self.dc2 = self.net.addDatacenter("dc2")
self.net.addLink(self.dc1, self.dc2, cls=TCLink, delay="50ms")
# add OpenStack-like APIs to the emulated DC
self.api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
self.api1.connect_datacenter(self.dc1)
self.api1.connect_dc_network(self.net)
self.api2 = OpenstackApiEndpoint("0.0.0.0", 6002)
self.api2.connect_datacenter(self.dc2)
self.api2.connect_dc_network(self.net)
# add the command line interface endpoint to the emulated DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", 5001)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc1)
self.rapi1.connectDatacenter(self.dc2)
def start_topology(self):
self.api1.start()
self.api2.start()
self.rapi1.start()
self.net.start()
def daemonize(self):
print("Daemonizing vim-emu. Send SIGTERM or SIGKILL to stop.")
while self.running:
time.sleep(1)
def _stop_by_signal(self, signum, frame):
print("Received SIGNAL {}. Stopping.".format(signum))
self.running = False
def stop_topology(self):
self.api1.stop()
self.api2.stop()
self.rapi1.stop()
self.net.stop()
def _create_rest_api_endpoints(self):
# create
api1 = RestApiEndpoint("0.0.0.0", 5001)
# connect PoPs
api1.connectDatacenter(self.pop1)
api1.connectDatacenter(self.pop2)
api1.connectDatacenter(self.pop3)
api1.connectDatacenter(self.pop4)
# connect network
api1.connectDCNetwork(self)
# start
api1.start()
class DaemonTopology(object):
def __init__(self):
self.running = True
signal.signal(signal.SIGINT, self._stop_by_signal)
signal.signal(signal.SIGTERM, self._stop_by_signal)
# create and start topology
self.create_topology()
self.start_topology()
self.daemonize()
self.stop_topology()
def create_topology(self):
self.net = DCNetwork(monitor=False, enable_learning=True)
self.client_dc = self.net.addDatacenter("client_dc")
self.vnfs_dc = self.net.addDatacenter("vnfs_dc")
self.server_dc = self.net.addDatacenter("server_dc")
self.switch1 = self.net.addSwitch("switch1")
self.switch2 = self.net.addSwitch("switch2")
linkopts = dict(delay="1ms", bw=100)
self.net.addLink(self.client_dc, self.switch1, **linkopts)
self.net.addLink(self.vnfs_dc, self.switch1, **linkopts)
self.net.addLink(self.switch1, self.switch2, **linkopts)
self.net.addLink(self.vnfs_dc, self.switch2, **linkopts)
self.net.addLink(self.switch2, self.server_dc, **linkopts)
# add the command line interface endpoint to the emulated DC (REST API)
self.rest = RestApiEndpoint("0.0.0.0", 5001)
self.rest.connectDCNetwork(self.net)
self.rest.connectDatacenter(self.client_dc)
self.rest.connectDatacenter(self.vnfs_dc)
self.rest.connectDatacenter(self.server_dc)
def start_topology(self):
self.rest.start()
self.net.start()
subprocess.call("./res/scripts/init_two_clients_servers.sh",
shell=True)
def daemonize(self):
print("Daemonizing vim-emu. Send SIGTERM or SIGKILL to stop.")
while self.running:
time.sleep(1)
def _stop_by_signal(self, signum, frame):
print("Received SIGNAL {}. Stopping.".format(signum))
self.running = False
def stop_topology(self):
self.rest.stop()
self.net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
#sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
#sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
#sdkg1.start()
# start the emulation platform
net.start() # here the docker host default ip is configured
# topology must be started before hosts are added
cache = dc1.startCompute('cache', image="squid-vnf", network=[{"ip": "10.10.0.1/24", "id": "client", 'mac': "aa:aa:aa:00:00:01"},
{"ip": "10.20.0.1/24", "id": "server", "mac": "aa:aa:aa:00:00:02"}])
client = dc1.startCompute('client', image='vcdn-client', network=[{"ip": "10.10.0.2/24", "id": "client"}])
server = dc1.startCompute('server', image='webserver', network=[{"ip": "10.20.0.2/24", "id": "server"}])
#client = net.addDocker('client', ip='10.10.0.1/24', dimage="vcdn-client")
#cache = net.addDocker('cache', dimage="squid-vnf")
#server = net.addDocker('server', ip='10.20.0.1/24', dimage="webserver")
#net.addLink(dc1, client, intfName1='dc-cl', intfName2='client')
#net.addLink(dc1, server, intfName1='dc-sv', intfName2='server')
#net.addLink(dc1, cache, intfName1='dc-ccl', intfName2='client', params1={'ip': '10.10.0.2/24'})
#net.addLink(dc1, cache, intfName1='dc-csv', intfName2='server',params1={'ip': '10.20.0.2/24'})
# initialise VNFs
cache.cmd("./start.sh", detach=True)
client.cmd("./start.sh", detach=True)
server.cmd('./start.sh', detach=True)
# startup script hangs if we use other startup command
# command="./start.sh"
net.CLI()
net.stop()
while not net.exit:
pass
def setup_topology(net):
_LOGGER.info("Setting up the topology")
dc = net.addDatacenter("dc1") # pylint: disable=invalid-name
net.addLink(dc, net.addSwitch("s1"), delay="10ms")
# add the SONATA dummy gatekeeper to each DC
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc)
rapi1.start()
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=False)
sdkg1.connectDatacenter(dc)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
def create_topology(httpmode=False):
net = DCNetwork(monitor=False, enable_learning=True)
DC = net.addDatacenter("DC")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(DC)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(DC)
rapi1.start()
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
s4 = net.addSwitch('s4')
S = net.addDocker("S", dimage="host:server")
GI = net.addDocker("GI", dimage="host:gateway")
GFA = createHost(httpmode, net, 'GFA')
GFB = createHost(httpmode, net, 'GFB')
GFC = createHost(httpmode, net, 'GFC')
net.addLink(S, s1)
net.addLink(GI, s2)
net.addLink(GFA, s3)
net.addLink(GFB, s3)
net.addLink(GFC, s4)
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(s2, s4)
net.addLink(DC, s2)
#Do not remove
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=False)
dc1 = net.addDatacenter("dc1")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.start()
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
class Profiling:
stop_now = False
"""
Set up a simple topology and start it
:port: the port the REST interface will be using, port+1 will be in use as well
"""
def __init__(self, port=5000):
GracefulKiller(self)
# create topology
self.net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=False)
self.dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", port + 1)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc)
# run API endpoint server (in another thread, don't block)
self.rapi1.start()
# add the SONATA dummy gatekeeper to each DC
self.sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0",
port,
deploy_sap=False)
self.sdkg1.connectDatacenter(self.dc)
# run the dummy gatekeeper (in another thread, don't block)
self.sdkg1.start()
self.net.start()
LOG.info("Started topology")
while (not self.stop_now):
sleep(1)
self.net.stop()
LOG.info("Stopped topology")
"""
Set stop value to stop the topology
"""
def stop_it(self):
self.stop_now = True
def create_topology1():
global exit
# create topology
net = DCNetwork(controller=RemoteController,
monitor=True,
enable_learning=False)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# connect total network also, needed to do the chaining and monitoring
rapi1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
#does not work from docker compose (cannot start container in interactive mode)
#cli = net.CLI()
# instead wait here:
logging.info("waiting for SIGTERM or SIGINT signal")
while not exit:
time.sleep(1)
logging.info("got SIG signal")
net.stop()
class Profiling:
stop_now = False
"""
Set up a simple topology and start it
"""
def __init__(self):
GracefulKiller(self)
# create topology
self.net = DCNetwork(controller=RemoteController, monitor=False, enable_learning=False)
self.dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
self.rapi1 = RestApiEndpoint("0.0.0.0", 5001)
self.rapi1.connectDCNetwork(self.net)
self.rapi1.connectDatacenter(self.dc)
# run API endpoint server (in another thread, don't block)
self.rapi1.start()
# add the SONATA dummy gatekeeper to each DC
self.sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=False)
self.sdkg1.connectDatacenter(self.dc)
# run the dummy gatekeeper (in another thread, don't block)
self.sdkg1.start()
self.net.start()
LOG.info("Started topology")
while(not self.stop_now):
sleep(1)
self.net.stop()
LOG.info("Stopped topology")
"""
Set stop value to stop the topology
"""
def stop_it(self):
self.stop_now = True
def start(self):
LOG.info("Starting emulation ...")
# pylint: disable=E0401
from mininet.log import setLogLevel
from emuvim.dcemulator.net import DCNetwork
from emuvim.api.rest.rest_api_endpoint import RestApiEndpoint
from emuvim.api.tango import TangoLLCMEndpoint
setLogLevel('info') # set Mininet loglevel
# create topology
self.net = DCNetwork(monitor=False, enable_learning=False)
# we only need one DC for benchmarking
dc = self.net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(self.net)
rapi1.connectDatacenter(dc)
rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
llcm1 = TangoLLCMEndpoint("0.0.0.0", 5000, deploy_sap=False)
llcm1.connectDatacenter(dc)
llcm1.start()
self.net.start()
def create_topology1():
global exit
# create topology
net = DCNetwork(controller=RemoteController, monitor=True, enable_learning=False)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
net.addLink(dc1, s1, delay="10ms")
net.addLink(dc2, s1, delay="20ms")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# connect total network also, needed to do the chaining and monitoring
rapi1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
# does not work from docker compose (cannot start container in interactive mode)
# cli = net.CLI()
# instead wait here:
logging.info("waiting for SIGTERM or SIGINT signal")
while not exit:
time.sleep(1)
logging.info("got SIG signal")
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
# create two data centers
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# interconnect data centers
net.addLink(dc1, dc2, delay="20ms")
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# add the 5GTANGO lightweight life cycle manager (LLCM) to the topology
llcm1 = TangoLLCMEndpoint("0.0.0.0", 5000, deploy_sap=False)
llcm1.connectDatacenter(dc1)
llcm1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
llcm1.start()
# start the emulation and enter interactive CLI
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
"""
1. Create a data center network object (DCNetwork) with monitoring enabled
"""
net = DCNetwork(monitor=True, enable_learning=False)
"""
1b. Add endpoint APIs for the whole DCNetwork,
to access and control the networking from outside.
e.g., to setup forwarding paths between compute
instances aka. VNFs (represented by Docker containers), passing through
different switches and datacenters of the emulated topology
"""
# create monitoring api endpoint for backwards compatibility with zerorpc api
mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151)
mon_api.connectDCNetwork(net)
mon_api.start()
"""
2. Add (logical) data centers to the topology
(each data center is one "bigswitch" in our simplified
first prototype)
"""
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
"""
3. You can add additional SDN switches for data center
interconnections to the network.
"""
s1 = net.addSwitch("s1")
"""
4. Add links between your data centers and additional switches
to define you topology.
These links can use Mininet's features to limit bw, add delay or jitter.
"""
net.addLink(dc1, s1)
net.addLink(s1, dc2)
"""
5. We want to access and control our data centers from the outside,
e.g., we want to connect an orchestrator to start/stop compute
resources aka. VNFs (represented by Docker containers in the emulated)
So we need to instantiate API endpoints (e.g. a zerorpc or REST
interface). Depending on the endpoint implementations, we can connect
one or more data centers to it, which can then be controlled through
this API, e.g., start/stop/list compute instances.
"""
# keep the old zeroRPC interface for the prometheus metric query test
zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
# connect data centers to this endpoint
zapi1.connectDatacenter(dc1)
zapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
zapi1.start()
# create a new instance of a endpoint implementation
# the restapi handles all compute, networking and monitoring commands in one api endpoint
api1 = RestApiEndpoint("0.0.0.0", 5001)
# connect data centers to this endpoint
api1.connectDatacenter(dc1)
api1.connectDatacenter(dc2)
# connect total network also, needed to do the chaining and monitoring
api1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
api1.start()
"""
5.1. For our example, we create a second endpoint to illustrate that
this is supported by our design. This feature allows us to have
one API endpoint for each data center. This makes the emulation
environment more realistic because you can easily create one
OpenStack-like REST API endpoint for *each* data center.
This will look like a real-world multi PoP/data center deployment
from the perspective of an orchestrator.
"""
#zapi2 = ZeroRpcApiEndpoint("0.0.0.0", 4343)
#zapi2.connectDatacenter(dc3)
#zapi2.connectDatacenter(dc4)
#zapi2.start()
"""
6. Finally we are done and can start our network (the emulator).
We can also enter the Mininet CLI to interactively interact
with our compute resources (just like in default Mininet).
But we can also implement fully automated experiments that
can be executed again and again.
"""
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology(httpmode=False, port_default=8888, device_rate=1500):
net = DCNetwork(monitor=False, enable_learning=True)
DC = net.addDatacenter("DC")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(DC)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(DC)
rapi1.start()
#Generation Switch
s1 = net.addSwitch('s1')
s2 = net.addSwitch('s2')
s3 = net.addSwitch('s3')
s4 = net.addSwitch('s4')
S = createHost(httpmode, net, 'S', "host:server")
GI = createHost(httpmode, net, 'GI', "host:gateway")
GFA = createHost(httpmode, net, 'GFA', "host:gwfinal")
GFB = createHost(httpmode, net, 'GFB', "host:gwfinal")
GFC = createHost(httpmode, net, 'GFC', "host:gwfinal")
#Genration of link
net.addLink(S, s1)
net.addLink(GI, s2)
net.addLink(GFA, s3)
net.addLink(GFB, s3)
net.addLink(GFC, s4)
net.addLink(s1, s2)
net.addLink(s2, s3)
net.addLink(s2, s4)
net.addLink(DC, s4)
#Do not remove
net.start()
#Run gateways and devices
print("Starting Server node")
S.cmd("startup --local_ip 10.0.0.1 --local_port 8888 --local_name srv")
print("Waiting for server node to complete startup")
time.sleep(2)
print("Starting GI node")
GI.cmd(
"startup --local_ip 10.0.0.2 --local_port 8888 --local_name gwi --remote_ip 10.0.0.1 --remote_port 8888 --remote_name srv"
)
print("Waiting for GI node to complete startup")
time.sleep(2)
print("Starting GFA node")
GFA.cmd(
"startup --local_ip 10.0.0.3 --local_port 8888 --local_name gwfa --remote_ip 10.0.0.2 --remote_port 8888 --remote_name gwi"
)
print("Waiting for GFA node to complete startup")
time.sleep(2)
print("Starting GFA devices")
GFA.cmd("start_devices 10.0.0.3 9001 {0} gwfa {1}".format(
port_default, device_rate))
print("Starting GFB node")
GFB.cmd(
"startup --local_ip 10.0.0.4 --local_port 8888 --local_name gwfb --remote_ip 10.0.0.2 --remote_port 8888 --remote_name gwi"
)
print("Waiting for GFB node to complete startup")
time.sleep(2)
print("Starting GFB devices")
GFB.cmd("start_devices 10.0.0.4 9001 {0} gwfb {1}".format(
port_default, device_rate))
print("Starting GFC node")
GFC.cmd(
"startup --local_ip 10.0.0.5 --local_port 8888 --local_name gwfc --remote_ip 10.0.0.2 --remote_port 8888 --remote_name gwi"
)
print("Waiting for GFC node to complete startup")
time.sleep(2)
print("Starting GFC devices")
GFC.cmd("start_devices 10.0.0.5 9001 {0} gwfc {1}".format(
port_default, device_rate))
#Start the command line
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
monitoring = net.addDocker('monitoring', ip='10.0.0.15', dimage=X, dcmd="sh -c 'cd /Projet-SDCI && git pull; cd Monitoring; sh monitoring.sh; tail -f /dev/null'")
dc = net.addDatacenter("dc")
info('*** Adding switches\n')
s1 = net.addSwitch('s1')
info('*** Creating links\n')
net.addLink(server, s1, delay="20ms")
net.addLink(gwi1, s1, delay="20ms")
net.addLink(gwf1, s1, delay="20ms")
net.addLink(gwf2, s1, delay="20ms")
net.addLink(gwf3, s1, delay="20ms")
net.addLink(monitoring, s1, delay="20ms")
net.addLink(dc, s1, delay="20ms")
info('*** Starting RestApi\n')
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc)
rapi1.start()
info('*** Starting network\n')
net.start()
info('*** Running CLI\n')
CLI(net)
info('*** Stopping network')
net.stop()
def create_topology():
net = DCNetwork(monitor=False, enable_learning=True)
info('*** Adding datacenters\n')
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
# add OpenStack-like APIs to the emulated DC
api1 = OpenstackApiEndpoint("0.0.0.0", 6001)
api1.connect_datacenter(dc1)
api1.connect_datacenter(dc2)
api1.start()
api1.connect_dc_network(net)
# add the command line interface endpoint to the emulated DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
rapi1.start()
# params
SRV_PORT = 8080
info('*** Adding switches\n')
sw1 = net.addSwitch('sw1')
sw2 = net.addSwitch('sw2')
info('*** Adding docker containers\n')
server = net.addDocker(
'server',
ip='10.100.0.10',
dimage="alpine:4",
dcmd=
"node ./server.js --local_ip '127.0.0.1' --local_port 8080 --local_name 'srv' &"
)
GW = net.addDocker('GW', ip='10.100.0.4', dimage="alpine:4")
GF1 = net.addDocker('GF1', ip='10.100.0.1', dimage="alpine:4")
GF2 = net.addDocker('GF2', ip='10.100.0.2', dimage="alpine:4")
GF3 = net.addDocker('GF3', ip='10.100.0.3', dimage="alpine:4")
net.addLink(server, sw1)
net.addLink(GW, sw1)
net.addLink(sw1, sw2)
net.addLink(GF1, sw2)
net.addLink(GF2, sw2)
net.addLink(GF3, sw2)
info('*** Starting network\n')
net.start()
time.sleep(5)
# launch gateway GW
info("//// Starting GW gateway\n")
GW.cmd(
"node ./gateway.js --local_ip '127.0.0.1' --local_port 9000 --local_name 'GW' --remote_ip '10.100.0.10' --remote_port 8080 --remote_name 'srv' &"
)
info('//// started !\n')
time.sleep(5)
# launch gateways GFs
info("//// Starting GF1 gateway\n")
GF1.cmd(
"node ./gateway.js --local_ip '127.0.0.1' --local_port 5000 --local_name 'GF1' --remote_ip '10.100.0.4' --remote_port 9000 --remote_name 'GW' &"
)
info('//// started !\n')
info("//// Starting GF2 gateway\n")
GF2.cmd(
"node ./gateway.js --local_ip '127.0.0.1' --local_port 5000 --local_name 'GF2' --remote_ip '10.100.0.4' --remote_port 9000 --remote_name 'GW' &"
)
info('//// started !\n')
info("//// Starting GF3 gateway\n")
GF3.cmd(
"node ./gateway.js --local_ip '127.0.0.1' --local_port 5000 --local_name 'GF3' --remote_ip '10.100.0.4' --remote_port 9000 --remote_name 'GW' &"
)
info('//// started !\n')
# launch devices
info("//// Starting devices on GF1\n")
GF1.cmd(
"node ./device.js --local_ip '127.0.0.1' --local_port 5001 --local_name 'device-1' --remote_ip '127.0.0.1' --remote_port 5000 --remote_name 'GF1' --send_period 3 &"
)
info('//// started !\n')
info('*** Testing connectivity\n')
net.ping([GW, GF1])
info('*** Running CLI\n')
net.CLI()
info('*** Stopping network\n')
net.stop()
class Emulator(DockerBasedVIM):
"""
This class can be used to run tests on the VIM-EMU emulator.
In order to use this class you need VIM-EMU to be installed locally.
More information about VIM-EMU and installation instructions can be found on the project wiki-page:
https://osm.etsi.org/wikipub/index.php/VIM_emulator
Example:
>>> from tangotest.vim.emulator import Emulator
>>> vim = Emulator()
>>> vim.start()
>>> /* your code here */
>>> vim.stop()
You can also use this class with the context manager:
>>> with Emulator() as vim:
>>> /* your code here */
"""
def __init__(self,
endpoint_port=None,
tango_port=None,
sonata_port=None,
enable_learning=False,
vnv_checker=False,
*args,
**kwargs):
"""
Initialize the Emulator.
This method doesn't start the Emulator.
Args:
endpoint_port (int): vim-emu REST API port. Default: random free port
tango_port (int): Sonata gatekeeper port. Default: random free port
sonata_port (int): Tango gatekeeper port. Default: random free port
vnv_checker (bool): Check if the code can be reused on the 5GTANGO V&V platform
enable_learning (bool): Enable learning switch
"""
super(Emulator, self).__init__(*args, **kwargs)
self.endpoint_port = endpoint_port
self.tango_port = tango_port
self.sonata_port = sonata_port
self.vnv_checker = vnv_checker
self.enable_learning = enable_learning
@property
def InstanceClass(self):
return EmulatorInstance
@vnv_checker_start
def start(self):
"""
Run the Emulator and the endpoints.
"""
super(Emulator, self).start()
initialize_GK()
self.net = DCNetwork(controller=RemoteController,
monitor=False,
enable_learning=self.enable_learning)
self.datacenter = self.net.addDatacenter('dc1')
endpoint_ip = '0.0.0.0'
endpoint_port = self.endpoint_port or get_free_tcp_port()
self.endpoint = 'http://{}:{}'.format(endpoint_ip, endpoint_port)
self.rest_api = RestApiEndpoint(endpoint_ip, endpoint_port)
self.rest_api.connectDCNetwork(self.net)
self.rest_api.connectDatacenter(self.datacenter)
self.rest_api.start()
sonata_ip = '0.0.0.0'
sonata_port = self.sonata_port or get_free_tcp_port()
self.sonata_address = 'http://{}:{}'.format(sonata_ip, sonata_port)
self.sonata_gatekeeper = SonataDummyGatekeeperEndpoint(
sonata_ip, sonata_port)
self.sonata_gatekeeper.connectDatacenter(self.datacenter)
self.sonata_gatekeeper.start()
tango_ip = '0.0.0.0'
tango_port = self.tango_port or get_free_tcp_port()
self.tango_address = 'http://{}:{}'.format(tango_ip, tango_port)
self.tango_gatekeeper = TangoLLCMEndpoint(tango_ip, tango_port)
self.tango_gatekeeper.connectDatacenter(self.datacenter)
self.tango_gatekeeper.start()
self.net.start()
@vnv_checker_stop
def stop(self):
"""
Stop the Emulator and the endpoints.
"""
self.rest_api.stop()
self.net.stop()
super(Emulator, self).stop()
@vnv_called_once
def add_instances_from_package(self, package, package_format='tango'):
if not os.path.isfile(package):
raise Exception('Package {} not found'.format(package))
if package_format == 'tango':
gatekeeper_address = self.tango_address
elif package_format == 'sonata':
gatekeeper_address = self.sonata_address
else:
raise Exception(
'package_format must be "tango" or "sonata", passed {}.'.
format(package_format))
# Upload the package
with open(package, 'rb') as package_content:
files = {'package': package_content}
url = '{}/packages'.format(gatekeeper_address)
response = requests.post(url, files=files)
if not response.ok:
raise Exception('Something went wrong during uploading.')
# Instantiate the service
url = '{}/instantiations'.format(gatekeeper_address)
response = requests.post(url, data='{}')
if not response.ok:
raise Exception('Something went wrong during instantiation.')
instances = []
for name, instance in self.datacenter.containers.items():
if name in self.instances:
continue
instances.append(self._add_instance(name))
return instances
@vnv_called_without_parameter('interfaces')
def add_instance_from_image(self,
name,
image,
interfaces=None,
docker_command=None):
"""
Run a Docker image on the Emulator.
Args:
name (str): The name of an instance
image (str): The name of an image
interfaces (int), (list) (str) or (dict): Network configuration
docker_command (str): The command to execute when starting the instance
Returns:
(EmulatorInstance): The added instance
"""
if not self._image_exists(image):
raise Exception('Docker image {} not found'.format(image))
if not interfaces:
interfaces = '(id=emu0)'
elif isinstance(interfaces, str):
pass
elif isinstance(interfaces, int):
interfaces = ','.join(
['(id=emu{})'.format(i) for i in range(interfaces)])
elif isinstance(interfaces, list):
interfaces = ','.join(['(id={})'.format(i) for i in interfaces])
elif isinstance(interfaces, dict):
interfaces = ','.join(
['(id={},ip={})'.format(k, v) for k, v in interfaces.items()])
else:
raise Exception(
'Wrong network configuration: {}'.format(interfaces))
params = {
'name': name,
'image': image,
'command': docker_command,
'network': interfaces,
'endpoint': self.endpoint,
'datacenter': 'dc1'
}
EmuComputeClient().start(params)
return self._add_instance(name)
@vnv_called_without_parameter('interfaces')
def add_instance_from_source(self,
name,
path,
interfaces=None,
image_name=None,
docker_command=None,
**docker_build_args):
"""
Build and run a Docker image on the Emulator.
Args:
name (str): The name of an instance
path (str): The path to the directory containing Dockerfile
interfaces (int), (list) (str) or (dict): Network configuration
image_name (str): The name of an image. Default: tangotest<name>
docker_command (str): The command to execute when starting the instance
**docker_build_args: Extra arguments to be used by the Docker engine to build the image
Returns:
(EmulatorInstance): The added instance
"""
return super(Emulator,
self).add_instance_from_source(name, path, interfaces,
image_name, docker_command,
**docker_build_args)
@vnv_not_called
def add_link(self,
src_vnf,
src_if,
dst_vnf,
dst_if,
sniff=False,
**kwargs):
result = super(Emulator, self).add_link(src_vnf, src_if, dst_vnf,
dst_if, sniff, **kwargs)
if result:
return result
params = {
'source': '{}:{}'.format(src_vnf, src_if),
'destination': '{}:{}'.format(dst_vnf, dst_if),
'weight': kwargs.get('weight'),
'match': kwargs.get('match'),
'bidirectional': kwargs.get('bidirectional', True),
'cookie': kwargs.get('cookie'),
'priority': kwargs.get('priority'),
'endpoint': self.endpoint
}
return EmuNetworkClient().add(params)
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController,
monitor=True,
enable_learning=True)
dc1 = net.addDatacenter("dc1")
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
#sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000, deploy_sap=True)
#sdkg1.connectDatacenter(dc1)
# run the dummy gatekeeper (in another thread, don't block)
#sdkg1.start()
# start the emulation platform
net.start() # here the docker host default ip is configured
# topology must be started before hosts are added
#cache = net.addDocker('cache', dimage="squid-vnf")
cache = dc1.startCompute('cache',
image="squid-vnf",
network=[{
"ip": "10.10.0.1/24",
"id": "client"
}, {
"ip": "10.20.0.1/24",
"id": "server"
}])
#client = net.addDocker('client', ip='10.10.0.1/24', dimage="vcdn-client")
client = dc1.startCompute('client',
image='vcdn-client',
network=[{
"ip": "10.10.0.2/24",
"id": "client"
}])
#server = net.addDocker('server', ip='10.20.0.1/24', dimage="webserver")
server = dc1.startCompute('server',
image='webserver',
network=[{
"ip": "10.20.0.2/24",
"id": "server"
}])
#net.addLink(dc1, client, intfName1='dc-cl', intfName2='client')
#net.addLink(dc1, server, intfName1='dc-sv', intfName2='server')
#net.addLink(dc1, cache, intfName1='dc-ccl', intfName2='client', params1={'ip': '10.10.0.2/24'})
#net.addLink(dc1, cache, intfName1='dc-csv', intfName2='server',params1={'ip': '10.20.0.2/24'})
# initialise VNFs
cache.cmd("./start.sh", detach=True)
client.cmd("./start.sh", detach=True)
server.cmd('./start.sh', detach=True)
# startup script hangs if we use other startup command
# command="./start.sh"
net.CLI()
net.stop()
class TopologyZooTopology(object):
def __init__(self, args):
# run daemonized to stop on signal
self.running = True
signal.signal(signal.SIGINT, self._stop_by_signal)
signal.signal(signal.SIGTERM, self._stop_by_signal)
self.args = args
self.G = self._load_graphml(args.graph_file)
self.G_name = self.G.graph.get("label", args.graph_file)
LOG.debug("Graph label: {}".format(self.G_name))
self.net = None
self.pops = list()
# initialize global rest api
self.rest_api = RestApiEndpoint("0.0.0.0", 5001)
self.rest_api.start()
# initialize and start topology
self.create_environment()
self.create_pops()
self.create_links()
self.start_topology()
self.daemonize()
self.stop_topology()
def _load_graphml(self, path):
try:
G = nx.read_graphml(path, node_type=int)
LOG.info(
"Loaded graph from '{}' with {} nodes and {} edges.".format(
path, G.__len__(), G.size()))
LOG.debug(G.adjacency_list())
return G
except:
LOG.exception("Could not read {}".format(path))
return None
def create_environment(self):
self.net = DCNetwork(monitor=False, enable_learning=False)
self.rest_api.connectDCNetwork(self.net)
def create_pops(self):
i = 0
for n in self.G.nodes(data=True):
# name = n[1].get("label").replace(" ", "_") # human readable names
name = "pop{}".format(n[0]) # use ID as name
p = self.net.addDatacenter(name)
self.rest_api.connectDatacenter(p)
self.pops.append(p)
LOG.info("Created pop: {} representing {}".format(
p, n[1].get("label", n[0])))
def create_links(self):
for e in self.G.edges(data=True):
# parse bw limit from edge
bw_mbps = self._parse_bandwidth(e)
# calculate delay from nodes; use np.around for consistent rounding behavior in phyton2 and 3
delay = int(np.around(self._calc_delay_ms(e[0], e[1])))
try:
self.net.addLink(self.pops[e[0]],
self.pops[e[1]],
cls=TCLink,
delay='{}ms'.format(delay),
bw=min(bw_mbps, 1000))
LOG.info("Created link {} with delay {}".format(e, delay))
except:
LOG.exception("Error in experiment")
def _parse_bandwidth(self, e):
"""
Calculate the link bandwith based on LinkLabel field.
Default: 100 Mbps (if field is not given)
Result is returned in Mbps and down scaled by 10x to fit in the Mininet range.
"""
ll = e[2].get("LinkLabel")
if ll is None:
return 100 # default
ll = ll.strip(" <>=")
mbits_factor = 1.0
if "g" in ll.lower():
mbits_factor = 1000
elif "k" in ll.lower():
mbits_factor = (1.0 / 1000)
ll = ll.strip("KMGkmpsbit/-+ ")
try:
bw = float(ll) * mbits_factor
except:
LOG.warning("Could not parse bandwidth: {}".format(ll))
bw = 100 # default
LOG.debug("- Bandwidth {}-{} = {} Mbps".format(e[0], e[1], bw))
return bw * BW_SCALE_FACTOR # downscale to fit in mininet supported range
def _calc_distance_meter(self, n1id, n2id):
"""
Calculate distance in meter between two geo positions.
"""
n1 = self.G.nodes(data=True)[n1id]
n2 = self.G.nodes(data=True)[n2id]
n1_lat, n1_long = n1[1].get("Latitude"), n1[1].get("Longitude")
n2_lat, n2_long = n2[1].get("Latitude"), n2[1].get("Longitude")
try:
return vincenty((n1_lat, n1_long), (n2_lat, n2_long)).meters
except:
LOG.exception(
"Could calculate distance between nodes: {}/{}".format(
n1id, n2id))
return 0
def _calc_delay_ms(self, n1id, n2id):
meter = self._calc_distance_meter(n1id, n2id)
if meter <= 0:
return 0 # default 0 ms delay
LOG.debug("- Distance {}-{} = {} km".format(n1id, n2id, meter / 1000))
# calc delay
delay = (meter / SPEED_OF_LIGHT *
1000) * PROPAGATION_FACTOR # in milliseconds
LOG.debug("- Delay {}-{} = {} ms (rounded: {} ms)".format(
n1id, n2id, delay, round(delay)))
return delay
def start_topology(self):
print("start_topology")
self.net.start()
def cli(self):
self.net.CLI()
def daemonize(self):
print("Daemonizing vim-emu. Send SIGTERM or SIGKILL to stop.")
while self.running:
time.sleep(1)
def _stop_by_signal(self, signum, frame):
print("Received SIGNAL {}. Stopping.".format(signum))
self.running = False
def stop_topology(self):
self.rest_api.stop()
self.net.stop()
def create_topology1():
# create topology
net = DCNetwork(controller=RemoteController, monitor=False, enable_learning=False)
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
s1 = net.addSwitch("s1")
linkopts = dict(delay="1ms",bw=100)
net.addLink(dc1, s1, **linkopts)
net.addLink(dc2, s1, **linkopts)
# add the command line interface endpoint to each DC (REST API)
rapi1 = RestApiEndpoint("0.0.0.0", 5001)
rapi1.connectDCNetwork(net)
rapi1.connectDatacenter(dc1)
rapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
rapi1.start()
# add the SONATA dummy gatekeeper to each DC
sdkg1 = SonataDummyGatekeeperEndpoint("0.0.0.0", 5000)
sdkg1.connectDatacenter(dc1)
sdkg1.connectDatacenter(dc2)
# run the dummy gatekeeper (in another thread, don't block)
sdkg1.start()
# start the emulation platform
net.start()
# create hosts and vnfs
#use ./init_vnfs_rubis for rubis experiments
#use ./init_vnfs for stratos experiments
subprocess.call("./init_vnfs_rubis.sh",shell=True)
subprocess.call("./chain_vnfs.sh",shell=True)
fw, snort, client, server = net.getNodeByName('fw','snort','client','server')
print "Waiting warmup"
time.sleep(10)
#run experiment
#CONFIGURE number of cores
cores = 4
for i in range(0,4): #Set here the number of repetitions
for fwbw in [5,50,100]: # set here the network bandwidth range for the firewall
for snortbw in [5,50,100]: # set here the network bandwidth range for the dpi
for reqsize in ['128KB']: #available sizes are: '4KB','8KB','16KB','32KB','64KB','128KB','256KB','512KB','1024KB','2048KB','4096KB','8192KB','16384KB','32768KB']:
for fwcpu in [5,50,100]: # set here the cpu capacity range for the firewall, 5 means 5% of one cpu
for snortcpu in [5,50,100]: # set here the cpu capacity range for the dpi, 5 means 5% of one cpu
r=0
fw.setParam(r,'setCPUFrac',cpu=fwcpu/(cores*100))
snort.setParam(r,'setCPUFrac',cpu=snortcpu/(cores*100))
strcmd = "%s %d %d %d %d %s %d &" % ('./start_firewall.sh',fwbw,snortbw,fwcpu,snortcpu,reqsize,i)
fw.cmd(strcmd)
time.sleep(1)
strcmd = "%s %d %d %d %d %s %d &" % ('./start_snort.sh',fwbw,snortbw,fwcpu,snortcpu,reqsize,i)
snort.cmd(strcmd)
strcmd = "%s %d %d %d %d %s %d &" % ('./start_server.sh',fwbw,snortbw,fwcpu,snortcpu,reqsize,i)
server.cmd(strcmd)
time.sleep(1)
client.cmd("ping -c 2 10.0.0.50 >> log-ping")
client.cmd("ping -c 2 10.0.0.50 >> log-ping")
strcmd = "%s %d %d %d %d %s %d &" % ('./start_client.sh',fwbw,snortbw,fwcpu,snortcpu,reqsize,i)
client.cmd(strcmd)
#the parameter for iperfc is the target bandwidth
strcmd = "%s %d" % ('./start_iperfc.sh',30)
client.cmd(strcmd)
print "Waiting to the experiment %d-%d-%d-%d-%s-%d"%(fwbw,snortbw,fwcpu,snortcpu,reqsize,i)
#use 180 for rubis workload
#use 100 for the stratos
time.sleep(180)
print "Copy results and cleanup"
strcmd = "scp -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no guiltiness* [email protected]:/home/vagrant/son-emu/logs/"
fw.cmd(strcmd)
snort.cmd(strcmd)
strcmd = "scp -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no log* [email protected]:/home/vagrant/son-emu/logs/"
client.cmd(strcmd)
server.cmd(strcmd)
fw.cmd("rm guiltiness*")
snort.cmd("rm guiltiness*")
client.cmd("rm log*")
server.cmd("rm log*")
def create_topology1():
"""
1. Create a data center network object (DCNetwork) with monitoring enabled
"""
net = DCNetwork(monitor=True, enable_learning=False)
"""
1b. Add endpoint APIs for the whole DCNetwork,
to access and control the networking from outside.
e.g., to setup forwarding paths between compute
instances aka. VNFs (represented by Docker containers), passing through
different switches and datacenters of the emulated topology
"""
# create monitoring api endpoint for backwards compatibility with zerorpc api
mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151)
mon_api.connectDCNetwork(net)
mon_api.start()
"""
2. Add (logical) data centers to the topology
(each data center is one "bigswitch" in our simplified
first prototype)
"""
dc1 = net.addDatacenter("datacenter1")
dc2 = net.addDatacenter("datacenter2")
"""
3. You can add additional SDN switches for data center
interconnections to the network.
"""
s1 = net.addSwitch("s1")
"""
4. Add links between your data centers and additional switches
to define you topology.
These links can use Mininet's features to limit bw, add delay or jitter.
"""
net.addLink(dc1, s1)
net.addLink(s1, dc2)
"""
5. We want to access and control our data centers from the outside,
e.g., we want to connect an orchestrator to start/stop compute
resources aka. VNFs (represented by Docker containers in the emulated)
So we need to instantiate API endpoints (e.g. a zerorpc or REST
interface). Depending on the endpoint implementations, we can connect
one or more data centers to it, which can then be controlled through
this API, e.g., start/stop/list compute instances.
"""
# keep the old zeroRPC interface for the prometheus metric query test
zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
# connect data centers to this endpoint
zapi1.connectDatacenter(dc1)
zapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
zapi1.start()
# create a new instance of a endpoint implementation
# the restapi handles all compute, networking and monitoring commands in one api endpoint
api1 = RestApiEndpoint("0.0.0.0", 5001)
# connect data centers to this endpoint
api1.connectDatacenter(dc1)
api1.connectDatacenter(dc2)
# connect total network also, needed to do the chaining and monitoring
api1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
api1.start()
"""
5.1. For our example, we create a second endpoint to illustrate that
this is supported by our design. This feature allows us to have
one API endpoint for each data center. This makes the emulation
environment more realistic because you can easily create one
OpenStack-like REST API endpoint for *each* data center.
This will look like a real-world multi PoP/data center deployment
from the perspective of an orchestrator.
"""
#zapi2 = ZeroRpcApiEndpoint("0.0.0.0", 4343)
#zapi2.connectDatacenter(dc3)
#zapi2.connectDatacenter(dc4)
#zapi2.start()
"""
6. Finally we are done and can start our network (the emulator).
We can also enter the Mininet CLI to interactively interact
with our compute resources (just like in default Mininet).
But we can also implement fully automated experiments that
can be executed again and again.
"""
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()
def create_topology1():
"""
1. Create a data center network object (DCNetwork)
"""
net = DCNetwork(monitor=True, enable_learning=True)
"""
1b. add a monitoring agent to the DCNetwork
"""
#keep old zeroRPC interface to test the prometheus metric query
mon_api = ZeroRpcApiEndpointDCNetwork("0.0.0.0", 5151)
mon_api.connectDCNetwork(net)
mon_api.start()
"""
2. Add (logical) data centers to the topology
(each data center is one "bigswitch" in our simplified
first prototype)
"""
dc1 = net.addDatacenter("dc1")
dc2 = net.addDatacenter("dc2")
dc3 = net.addDatacenter("long_data_center_name3")
dc4 = net.addDatacenter(
"dc4",
metadata={"mydata": "we can also add arbitrary metadata to each DC"})
"""
3. You can add additional SDN switches for data center
interconnections to the network.
"""
s1 = net.addSwitch("s1")
"""
4. Add links between your data centers and additional switches
to define you topology.
These links can use Mininet's features to limit bw, add delay or jitter.
"""
net.addLink(dc1, dc2)
net.addLink("dc1", s1)
net.addLink(s1, dc3)
net.addLink(s1, "dc4")
"""
5. We want to access and control our data centers from the outside,
e.g., we want to connect an orchestrator to start/stop compute
resources aka. VNFs (represented by Docker containers in the emulated)
So we need to instantiate API endpoints (e.g. a zerorpc or REST
interface). Depending on the endpoint implementations, we can connect
one or more data centers to it, which can then be controlled through
this API, e.g., start/stop/list compute instances.
"""
# keep the old zeroRPC interface for the prometheus metric query test
zapi1 = ZeroRpcApiEndpoint("0.0.0.0", 4242)
# connect data centers to this endpoint
zapi1.connectDatacenter(dc1)
zapi1.connectDatacenter(dc2)
# run API endpoint server (in another thread, don't block)
zapi1.start()
# create a new instance of a endpoint implementation
api1 = RestApiEndpoint("127.0.0.1", 5001)
# connect data centers to this endpoint
api1.connectDatacenter(dc1)
api1.connectDatacenter(dc2)
api1.connectDatacenter(dc3)
api1.connectDatacenter(dc4)
# connect total network also, needed to do the chaining and monitoring
api1.connectDCNetwork(net)
# run API endpoint server (in another thread, don't block)
api1.start()
"""
6. Finally we are done and can start our network (the emulator).
We can also enter the Mininet CLI to interactively interact
with our compute resources (just like in default Mininet).
But we can also implement fully automated experiments that
can be executed again and again.
"""
net.start()
net.CLI()
# when the user types exit in the CLI, we stop the emulator
net.stop()